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你一定要这样粗鲁吗？
Must you be quite so crude?
《柯林斯英汉双解大词典》
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你一定要原谅我父亲—他并不总是那样粗暴无礼。
You must excuse my father—he's not always that rude.
《牛津词典》
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你一定要权衡利益与成本二者的得失。
You must weigh the benefits against the cost.
《牛津词典》
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倘使你一定要知道的话，这是我男朋友给的。
It's from my boyfriend, if you must know.
《牛津词典》
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这把她的魂都吓飞了，如果你一定要知道的话。而且我也被吓坏了。
It scared the hell out of her, if you must know. And me, too.
《柯林斯英汉双解大词典》
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你一定要去莫斯科！
You must go to Moscow!
youdao
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你一定要找个时间过来。
You must come here sometime.
youdao
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你一定要回来啊！
You must come back.
youdao
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这里有一些特别的博物馆，你一定要去看看。
Here are some special museums that you must see.
youdao
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你一定要仔细看清他们的面孔。
Make sure you get a good look at their faces.
《牛津词典》
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你的费用一定要在月底以前办理报销。
Make sure your claims for expenses are submitted by the end of the month.
《牛津词典》
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这本书你可一定要看一看。
You simply must read this book.
《牛津词典》
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你一定要把面包片切得厚厚的。
Make sure you cut the bread nice and thick.
《牛津词典》
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给孩子们零花钱时，你一定要确保他们攒下一部分。
When you give kids pocket money make sure they save some of it.
《柯林斯英汉双解大词典》
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你为什么一定要我们今晚离开？
Why are you so insistent that we leave tonight?
《牛津词典》
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你下次到伦敦，一定要来看我。
Do look me up the next time you're in London.
《牛津词典》
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如果你有机会去看那场演出,一定要去–它太棒了。
If you get a chance to see the show, do go – it's brilliant.
《柯林斯英汉双解大词典》
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你一定要来，不来可不行！
You're coming and I won't take no for an answer!
《牛津词典》
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你一定要好好照顾他。
See that you take care of him.
《柯林斯英汉双解大词典》
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医生下周还会给你看病。在此期间，你一定要尽可能多休息。
The doctor will see you again next week. Meanwhile, you must rest as much as possible.
《牛津词典》
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如果你一定要呆在阳光下的话，就用你能买到的最有效的防晒霜。
If you must be in the sunlight, use the strongest sunscreen you can get.
《柯林斯英汉双解大词典》
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注意一定要让你的邮件改投到你的新住址。
Make sure you get your mail redirected to your new address.
《牛津词典》
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你一定要学会享受旅程！
You have to enjoy the journey!
youdao
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你一定要去看布拉德·皮特的那部新电影。
You have to go see the new Brad Pitt's movie.
youdao
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你出去时一定要把所有的窗户都关好。
Make sure when you go out all the windows are closed.
youdao
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一定要签上你的真实姓名（全名），而不是Ry-Ry或Biff 这样的古怪昵称。
Always sign with your (entire) real name, not some wacky nickname like Ry-Ry or Biff.
youdao
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你不一定要每天都洗澡。
You don't have to take a shower every day.
youdao
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你加完油之后，一定要把油盖拧紧。
When you are finished filling up, be sure you tighten your gas cap.
youdao
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你每跳过一道试题，一定要及时标记。
Every time you skip a question, be sure to mark it in time.
youdao
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首先，一定要从你的课本或笔记中查找。
First, be sure to look up from your text or notes.
youdao